CN108086140A - A kind of assembled bridge pier structure of steel pipe socket - Google Patents

A kind of assembled bridge pier structure of steel pipe socket Download PDF

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Publication number
CN108086140A
CN108086140A CN201810094790.2A CN201810094790A CN108086140A CN 108086140 A CN108086140 A CN 108086140A CN 201810094790 A CN201810094790 A CN 201810094790A CN 108086140 A CN108086140 A CN 108086140A
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CN
China
Prior art keywords
pier
steel pipe
prefabricated
prestressing force
stud
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810094790.2A
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Chinese (zh)
Inventor
林上顺
欧智菁
刘秋江
秦志清
谢铭勤
王金泽
林文
林光忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian University of Technology
Original Assignee
Fujian University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian University of Technology filed Critical Fujian University of Technology
Priority to CN201810094790.2A priority Critical patent/CN108086140A/en
Publication of CN108086140A publication Critical patent/CN108086140A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

Abstract

The present invention relates to bridge engineering construction field, more particularly to a kind of assembled bridge pier structure of steel pipe socket, including pier shaft and the pier stud for being connected to pier shaft upper end;The pier stud is spliced up and down by several prefabricated piers of section, and attachment device is equipped between the prefabricated pier;The attachment device includes cooperation steel pipe and joint steel pipe, mating groove is offered on one surface of prefabricated pier, link slot is offered on another opposite surface, the cooperation steel pipe is set in mating groove, one end of the joint steel pipe is set in link slot, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are set along the central shaft of prefabricated pier;The pier stud offers the pouring hole through pier stud along central axis direction, and the present invention has the beneficial effect that:By the pier stud being made of prefabricated pier, facilitate live industry, operating efficiency can be improved, urban traffic environment is influenced when effectively alleviating operation.

Description

A kind of assembled bridge pier structure of steel pipe socket
Technical field
The present invention relates to bridge engineering construction field, more particularly to a kind of assembled bridge pier structure of steel pipe socket.
Background technology
Highway in China bridge circular pier uses field cast-in-place mostly at present, and cast-in-place bridge shortcoming is as follows:1st, construction period mistake It is long, easily by weather natural environment influence;2nd, road is occupied in construction, aggravates traffic jam;3rd, cast-in-place quality is not easy to ensure, applies Working medium amount is influenced by worker's total quality.
Compared with site concrete, advantage mainly has:Batch production is prefabricated can be carried out at the same time with other live staged constructions, contracting Casual labourer's phase;Factory normalization makes, and beneficial to quality assurance, reduces human cost;Beneficial to suitable under environmental protection and complicated weather and environment Answering property is stronger.This is consistent with the development of Modern Bridge Engineering.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, to be shortened the construction period, and standardization makes, and is not take up road Steel pipe socket assembled bridge pier structure.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:A kind of assembled of steel pipe socket is provided Bridge pier structure, including pier shaft and the pier stud for being connected to pier shaft upper end;
The pier stud is spliced up and down by several prefabricated piers of section, and attachment device is equipped between the prefabricated pier;
The attachment device includes cooperation steel pipe and joint steel pipe, offers mating groove on prefabricated one surface of pier, separately Link slot is offered on one opposite surface, the cooperation steel pipe is set in mating groove, and one end of the joint steel pipe is arranged In link slot, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are set along the central shaft of prefabricated pier;
The pier stud offers the pouring hole through pier stud along central axis direction.
In the assembled bridge pier structure of above-mentioned steel pipe socket, hole is offered on the side wall of the joint steel pipe and cooperation steel pipe Hole.
In the assembled bridge pier structure of above-mentioned steel pipe socket, the assembled bridge pier structure of the steel pipe socket has further included more A prestressing force passage, the prestressing force passage are distributed with pier stud central shaft circumference array;The prestressing force passage is straight through pier stud Into pier shaft;Deformed bar is additionally provided in the prestressing force passage.
In the assembled bridge pier structure of above-mentioned steel pipe socket, the prestressing force passage includes top and bottom, the top With groove seat is both provided on bottom, stretching end anchorage is provided in the groove seat at the top, is provided in the groove seat of the bottom Fixing end anchorage;The stretching end anchorage and fixing end anchorage are used to fix deformed bar;The prefabricated pier include top and Bottom, bottom and the prestressing force passage intersection of the prefabricated pier offer reinforcing bar connector.
In the assembled bridge pier structure of above-mentioned steel pipe socket, the periphery of the attachment device is provided with baffle;The pier The first injected hole being connected with bottom groove seat is offered with it;It offers on the side wall of the prefabricated pier and is connected with prestressing force passage The second logical injected hole;The concrete is poured from the first injected hole and the second injected hole into bottom groove seat and prestressing force passage It builds.
In the assembled bridge pier structure of above-mentioned steel pipe socket, it is additionally provided between the prestressing force passage and deformed bar Metal bellows.
In the assembled bridge pier structure of above-mentioned steel pipe socket, attachment device is additionally provided between the pier shaft and pier stud;Institute Stating attachment device includes cooperation steel pipe and joint steel pipe, mating groove is offered on the surface of the pier shaft, in contrast pier stud Link slot is offered on surface, the cooperation steel pipe is set in mating groove, and one end of the joint steel pipe is set in link slot It is interior, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are set along the central shaft of pier stud.
In the assembled bridge pier structure of above-mentioned steel pipe socket, shear device is additionally provided between the prefabricated pier, including cutting Power key and shearing slot, the shear connector are fixed on around prefabricated pier mating groove, and the shearing slot is arranged on around link slot;Institute It states shear connector and shearing slot is equipped with.
In the assembled bridge pier structure of above-mentioned steel pipe socket, one layer of epoxy sand is coated on the inner surface of the shearing slot Slurry;Epoxy resin mortar is filled in the attachment device.
In the assembled bridge pier structure of above-mentioned steel pipe socket, the concrete is self-compacting concrete.
The beneficial effects of the present invention are:By the pier stud being made of prefabricated pier, facilitate live industry, operation effect can be improved Rate influences urban traffic environment when effectively alleviating operation;The joint steel pipe of prefabricated pier and cooperation steel pipe nested encryptions, pass through Pouring hole is opened up at pier stud center, prefabricated pier, by pouring hole casting concrete, strengthens each prefabricated during assembly Connection between pier improves the anti-seismic performance of bridge pier.
Description of the drawings
Fig. 1 is the structure diagram for the assembled bridge pier structure that a kind of steel pipe of the specific embodiment of the invention is socketed;
Fig. 2 is the top view for the assembled bridge pier structure that a kind of steel pipe of the specific embodiment of the invention is socketed;
Coordinate between the prefabricated pier for the assembled bridge pier structure that Fig. 3 is socketed for a kind of steel pipe of the specific embodiment of the invention Structure diagram;
Label declaration:1st, pier shaft;11st, the first injected hole;2nd, pier stud;21st, prefabricated pier;22nd, steel pipe is coordinated;23rd, pouring hole; 24th, prestressing force passage;241st, deformed bar;242nd, stretching end anchorage;243rd, fixing end anchorage;25th, the second injected hole;26、 Reinforcing bar connector;3rd, joint steel pipe;4th, epoxy resin mortar;5th, shear device;51st, shear connector;52nd, slot is sheared.
Specific embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached Figure is explained.
The design of most critical of the present invention is:By the pier stud being made of prefabricated pier, facilitate live industry, operation can be improved Efficiency influences urban traffic environment when effectively alleviating operation.
Fig. 1 and Fig. 3 is refer to, a kind of assembled bridge pier structure of steel pipe socket including pier shaft 1 and is connected to pier shaft 1 The pier stud 2 of upper end;
The pier stud 2 is spliced by several prefabricated piers of section about 21, and attachment device is equipped between the prefabricated pier 21;
The attachment device includes cooperation steel pipe 22 and joint steel pipe 3, and cooperation is offered on prefabricated 21 1 surface of pier Slot offers link slot on another opposite surface, and the cooperation steel pipe 22 is set in mating groove, the joint steel pipe 3 One end is set in link slot, the other end and cooperation 22 nested encryptions of steel pipe;The link slot and mating groove are along prefabricated pier 21 Central shaft set;
The pier stud 2 offers the pouring hole 23 through pier stud 2 along central axis direction.
Seen from the above description, the assembly project of the assembled bridge pier structure of the steel pipe socket is:Pass through several sections Prefabricated pier 21 is mutually adapted by joint steel pipe 3 and cooperation steel pipe 22, is completed pier stud 2 and is installed with pier shaft 1, after completing installation, is led to The casting concrete into pouring hole 23 is crossed, pier stud 2 completes integration after concrete setting, and bridge pier is made.
Seen from the above description, the advantageous effect of the above-mentioned assembled bridge pier structure by steel pipe socket is:By by pre- The pier stud 2 that pier 21 processed forms, facilitates live industry, can improve operating efficiency, to urban traffic environment when effectively alleviating operation It influences;The joint steel pipe 3 of prefabricated pier 21 and cooperation 22 nested encryptions of steel pipe, by opening up pouring hole 23 at 2 center of pier stud, in advance Pier 21 processed, by 23 casting concrete of pouring hole, strengthens the connection between each prefabricated pier 21, improves during assembly The anti-seismic performance of bridge pier.
Further, hole is opened up on the side wall of the joint steel pipe 3 and cooperation steel pipe 22.
It seen from the above description, can be in pouring hole 23 by opening up hole on joint steel pipe 3 and cooperation steel pipe 22 For when after prefabricated pier 21 completes assembling by the casting concrete into pouring hole 23, facilitating the inflow of concrete.
Further, the assembled bridge pier structure of the steel pipe socket has further included multiple prestressing force passages 24, described pre- Stress channel 24 is distributed with 2 central shaft circumference array of pier stud;The prestressing force passage 24 is through pier stud 2 until in pier shaft 1;It is described Deformed bar 241 is additionally provided in prestressing force passage 24.
Seen from the above description, by prestressing force passage 24 and deformed bar 241, adjacent steel pipe socket can be constrained to connect Assembled bridge pier structure between horizontal displacement, effectively increase bridge pier in splicing and splicing after the completion of shearing resistance energy Power improves shear resistance when bridge pier meets with larger lateral force.
Further, the prestressing force passage 24 includes top and bottom, groove seat being both provided on the top and bottom, Stretching end anchorage 242 is provided in the groove seat at the top, fixing end anchorage 243 is provided in the groove seat of the bottom;It is described Stretching end anchorage 242 and fixing end anchorage 243 are used to fix deformed bar 241;The prefabricated pier 21 includes top and bottom, The bottom of the prefabricated pier 21 offers reinforcing bar connector 26 with 24 intersection of prestressing force passage.
Seen from the above description, by stretching end anchorage 242 and fixing end anchorage 243, it can fix and promote the whole of bridge pier Body shear resistance and stability;By reinforcing bar connector 26, the connection of every section of deformed bar 241 can be facilitated, the company of being promoted Effect is connect, so as to promote shear resistance.
Further, the periphery of the attachment device is provided with baffle;It is offered on the pier shaft 1 and bottom groove seat phase The first injected hole 11 even;The second injected hole being connected with prestressing force passage 24 is offered on the side wall of the prefabricated pier 21 25;The concrete is poured from the first injected hole 11 and the second injected hole 25 into bottom groove seat and prestressing force passage 24.
Seen from the above description, by mud jacking casting concrete from top to bottom, compared to traditional concrete, settling amount is big It is big to reduce, mixing and compaction have been carried out, and make concrete integral with structures join, make the friction area between stake and soil Increase improves side friction.
Further, it is additionally provided with metal bellows between the prestressing force passage 24 and deformed bar 241.
Further, it is additionally provided with attachment device between the pier shaft 1 and pier stud 2;The attachment device includes cooperation steel Pipe 22 and joint steel pipe 3 offer mating groove on the surface of the pier shaft 1, offer connection on the surface of pier stud 2 in contrast Slot, the cooperation steel pipe 22 are set in mating groove, and one end of the joint steel pipe 3 is set in link slot, and the other end is with matching somebody with somebody Close 22 nested encryptions of steel pipe;The link slot and mating groove are set along the central shaft of pier stud 2.
Further, shear device 5 is additionally provided between the prefabricated pier 21, including shear connector 51 and shearing slot 52, institute It states shear connector 51 to be fixed on around prefabricated 21 mating groove of pier, the shearing slot 52 is arranged on around link slot;The shear connector 51 are equipped with shearing slot 52.
Seen from the above description, by adding shear device 5, bridge pier entirety can be promoted in splicing and spliced Shear resistance after improves shear resistance when bridge pier meets with larger lateral force.
Further, it is coated with one layer of epoxy resin mortar 4 on the inner surface of the shearing slot 52;Filling in the attachment device There is epoxy resin mortar 4.
Seen from the above description, by that, coated with one layer of epoxy resin mortar 4, can be promoted and cut on the inner surface of shearing slot 52 Fitness between power slot 52 and shear connector 51 promotes shear resistance.
Further, the concrete is self-compacting concrete.
Seen from the above description, by using self-compacting concrete, it can ensure that concrete is closely knit well;Due to being not required to It vibrates, the time that concreting needs is greatly shortened, and improves the surface quality of concrete, adds structure design oneself By spending, engineering overall cost is reduced.
Embodiment one
A kind of assembled bridge pier structure of steel pipe socket, including pier shaft and the pier stud for being connected to pier shaft upper end;
The pier stud is spliced up and down by several prefabricated piers of section, and attachment device is equipped between the prefabricated pier;The company Epoxy resin mortar is filled in connection device.
The attachment device includes cooperation steel pipe and joint steel pipe, offers mating groove on prefabricated one surface of pier, separately Link slot is offered on one opposite surface, the cooperation steel pipe is set in mating groove, and one end of the joint steel pipe is arranged In link slot, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are set along the central shaft of prefabricated pier; Hole is opened up on the side wall of the joint steel pipe and cooperation steel pipe.
The pier stud offers the pouring hole through pier stud along central axis direction.
The assembled bridge pier structure of the steel pipe socket has further included multiple prestressing force passages, and the prestressing force passage is with pier Column central shaft circumference array is distributed;The prestressing force passage is through pier stud until in pier shaft;It is also set up in the prestressing force passage There is deformed bar.Metal bellows is additionally provided between the prestressing force passage and deformed bar.
The prestressing force passage includes top and bottom, groove seat being both provided on the top and bottom, the top Stretching end anchorage is provided in groove seat, fixing end anchorage is provided in the groove seat of the bottom;The stretching end anchorage and fixation End anchorage is used to fix deformed bar;The prefabricated pier includes top and bottom, and the bottom of the prefabricated pier leads to prestressing force Road intersection offers reinforcing bar connector.
The periphery of the attachment device is provided with baffle;The first note being connected with bottom groove seat is offered on the pier shaft Starch hole;The second injected hole being connected with prestressing force passage is offered on the side wall of the prefabricated pier;The self-compacting concrete It is poured from the first injected hole and the second injected hole into bottom groove seat and prestressing force passage.
Attachment device is additionally provided between the pier shaft and pier stud;The attachment device includes cooperation steel pipe and connection steel It manages, offers mating groove on the surface of the pier shaft, offer link slot, the cooperation steel pipe on the surface of pier stud in contrast It is set in mating groove, one end of the joint steel pipe is set in link slot, the other end and cooperation steel pipe nested encryptions;It is described Link slot and mating groove are set along the central shaft of pier stud.
Shear device is additionally provided between the prefabricated pier, including shear connector and shearing slot, the shear connector is fixed on pre- Around pier mating groove processed, the shearing slot is arranged on around link slot;The shear connector and shearing slot are equipped with.It is described to cut One layer of epoxy resin mortar is coated on the inner surface of power slot;Advantageous effect:By being coated with one layer of ring on the inner surface of shearing slot Oxygen mortar can promote the fitness between shearing slot and shear connector, promote shear resistance.
In conclusion a kind of assembled bridge pier structure of steel pipe socket provided by the invention, passes through what is be made of prefabricated pier Pier stud facilitates live industry, can improve operating efficiency, and urban traffic environment is influenced when effectively alleviating operation;Prefabricated pier Joint steel pipe and cooperation steel pipe nested encryptions, by opening up pouring hole at pier stud center, prefabricated pier is during assembly by pouring Casting concrete at hole is built, strengthens the connection between each prefabricated pier, improves the anti-seismic performance of bridge pier.
By opening up hole on joint steel pipe and cooperation steel pipe, can be used to complete to assemble in prefabricated pier in pouring hole Afterwards by during casting concrete, facilitating the inflow of concrete into pouring hole.
By prestressing force passage and deformed bar, can constrain between the assembled bridge pier structure that adjacent steel pipe socket connects Horizontal displacement, effectively increase bridge pier in splicing and splicing after the completion of shear resistance, improve bridge pier meet with it is larger Lateral force when shear resistance.
By stretching end anchorage and fixing end anchorage, the integral anti-shearing ability and stability for promoting bridge pier can be fixed.
By mud jacking casting concrete from top to bottom, compared to traditional concrete, settling amount greatly reduces, and is mixed Conjunction and compaction, and make concrete integral with structures join, increase the friction area between stake and soil, improve side frictional resistance Power.
By reinforcing bar connector, the connection of every section of deformed bar can be facilitated, promote connection effect, it is anti-so as to be promoted Cut ability.
By adding shear device, the whole shear resistance in splicing and after the completion of splicing of bridge pier can be promoted, Improve shear resistance when bridge pier meets with larger lateral force.
By that, coated with one layer of epoxy resin mortar, can be promoted between shearing slot and shear connector on the inner surface of shearing slot Fitness promotes shear resistance.
By using self-compacting concrete, it can ensure that concrete is closely knit well;Due to that need not vibrate, concrete pours The time for building needs is greatly shortened, and improves the surface quality of concrete, adds the degree of freedom of structure design, and it is whole to reduce engineering Body cost.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair The equivalents that bright specification and accompanying drawing content are made directly or indirectly are used in relevant technical field, similarly include In the scope of patent protection of the present invention.

Claims (10)

1. a kind of assembled bridge pier structure of steel pipe socket, which is characterized in that including pier shaft and the pier stud for being connected to pier shaft upper end;
The pier stud is spliced up and down by several prefabricated piers of section, and attachment device is equipped between the prefabricated pier;
The attachment device includes cooperation steel pipe and joint steel pipe, and mating groove, Ling Yixiang are offered on prefabricated one surface of pier To surface on offer link slot, the cooperation steel pipe is set in mating groove, and one end of the joint steel pipe is set in company In access slot, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are set along the central shaft of prefabricated pier;
The pier stud offers the pouring hole through pier stud along central axis direction.
2. the assembled bridge pier structure of steel pipe according to claim 1 socket, which is characterized in that the joint steel pipe and match somebody with somebody It closes and opens up hole on the side wall of steel pipe.
3. the assembled bridge pier structure of steel pipe socket according to claim 1, which is characterized in that the dress of the steel pipe socket Multiple prestressing force passages are further included with formula bridge pier structure, the prestressing force passage is distributed with pier stud central shaft circumference array;Institute Prestressing force passage is stated through pier stud until in pier shaft;Deformed bar is additionally provided in the prestressing force passage.
4. the assembled bridge pier structure of steel pipe socket according to claim 3, which is characterized in that the prestressing force passage bag Top and bottom are included, groove seat is both provided on the top and bottom, stretching end anchorage, institute are provided in the groove seat at the top It states and fixing end anchorage is provided in the groove seat of bottom;The stretching end anchorage and fixing end anchorage are used to fix deformed bar; The prefabricated pier includes top and bottom, and bottom and the prestressing force passage intersection of the prefabricated pier offer reinforcing bar connector.
5. the assembled bridge pier structure of steel pipe socket according to claim 4, which is characterized in that the week of the attachment device While it is provided with baffle;The first injected hole being connected with bottom groove seat is offered on the pier shaft;On the side wall of the prefabricated pier Offer the second injected hole being connected with prestressing force passage;The concrete is from the first injected hole and the second injected hole to bottom It is poured in groove seat and prestressing force passage.
6. the assembled bridge pier structure of steel pipe according to claim 3 socket, which is characterized in that the prestressing force passage with Metal bellows is additionally provided between deformed bar.
7. the assembled bridge pier structure of steel pipe according to claim 1 socket, which is characterized in that the pier shaft and pier stud it Between be additionally provided with attachment device;The attachment device includes cooperation steel pipe and joint steel pipe, is offered on the surface of the pier shaft Mating groove offers link slot in contrast on the surface of pier stud, the cooperation steel pipe is set in mating groove, the connection steel One end of pipe is set in link slot, the other end and cooperation steel pipe nested encryptions;The link slot and mating groove are along pier stud Central shaft is set.
8. the assembled bridge pier structure of steel pipe socket according to claim 1, which is characterized in that between the prefabricated pier also Shear device is provided with, including shear connector and shearing slot, the shear connector is fixed on around prefabricated pier mating groove, the shearing slot It is arranged on around link slot;The shear connector and shearing slot are equipped with.
9. the assembled bridge pier structure of steel pipe socket according to claim 8, which is characterized in that the interior table of the shearing slot One layer of epoxy resin mortar is coated on face;Epoxy resin mortar is filled in the attachment device.
10. the assembled bridge pier structure being socketed according to steel pipe described in any one of claim 1-9, which is characterized in that described Concrete is self-compacting concrete.
CN201810094790.2A 2018-01-31 2018-01-31 A kind of assembled bridge pier structure of steel pipe socket Pending CN108086140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810094790.2A CN108086140A (en) 2018-01-31 2018-01-31 A kind of assembled bridge pier structure of steel pipe socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810094790.2A CN108086140A (en) 2018-01-31 2018-01-31 A kind of assembled bridge pier structure of steel pipe socket

Publications (1)

Publication Number Publication Date
CN108086140A true CN108086140A (en) 2018-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810094790.2A Pending CN108086140A (en) 2018-01-31 2018-01-31 A kind of assembled bridge pier structure of steel pipe socket

Country Status (1)

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CN (1) CN108086140A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090008072A (en) * 2007-07-16 2009-01-21 아주대학교산학협력단 Segmental internally confined hollow concrete filled tube pier
CN101356318A (en) * 2006-06-15 2009-01-28 株式会社大宇建设 Precast concrete segment having connecting structure using steel duct, and connecting structure thereof
CN103572706A (en) * 2013-11-21 2014-02-12 西南科技大学 Assembled type reinforced concrete bridge construction technology
CN103882803A (en) * 2014-03-19 2014-06-25 北京工业大学 Replaceable transversely-arranged prestressing tendon self-resetting energy dissipation bridge pier
CN106192730A (en) * 2016-08-01 2016-12-07 上海应用技术学院 A kind of steel bushing precast splice type bridge pier of band WELDING STUDS

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101356318A (en) * 2006-06-15 2009-01-28 株式会社大宇建设 Precast concrete segment having connecting structure using steel duct, and connecting structure thereof
KR20090008072A (en) * 2007-07-16 2009-01-21 아주대학교산학협력단 Segmental internally confined hollow concrete filled tube pier
CN103572706A (en) * 2013-11-21 2014-02-12 西南科技大学 Assembled type reinforced concrete bridge construction technology
CN103882803A (en) * 2014-03-19 2014-06-25 北京工业大学 Replaceable transversely-arranged prestressing tendon self-resetting energy dissipation bridge pier
CN106192730A (en) * 2016-08-01 2016-12-07 上海应用技术学院 A kind of steel bushing precast splice type bridge pier of band WELDING STUDS

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